AEROSPATIALE AS-355 Ecureuil 2

Description

The Eurocopter AS355 Ecureuil 2 (Twin Squirrel) is a twin-engine light helicopter originally manufactured by Aérospatiale (now part of Eurocopter Group). The AS355 is marketed in North America as the TwinStar.

Technical Data

Wing span

10.69 m35.072 ft

Length

12.94 m42.454 ft

Height

3.03 m9.941 ft

Powerplant

2 x Allison 250-C20F turboshaft, 313 kW (420 shp) each.

Engine model

Allison 250

Performance Data

Take-Off

Initial Climb(to 5000 ft)

Initial Climb(to FL150)

Initial Climb(to FL240)

MACH Climb

Cruise

Initial Descent(to FL240)

Descent(to FL100)

Descent (FL100& below)

Approach

V2 (IAS)

kts

IAS

kts

IAS

kts

IAS

kts

MACH

TAS

129 kts

MACH

IAS

kts

IAS

kts

Vapp (IAS)

kts

Distance

m

ROC

ft/min

ROC

ft/min

ROC

ft/min

ROC

ft/min

MACH

ROD

ft/min

ROD

ft/min

MCS

kts

Distance

m

MTOW

23002,300 kg 2.3 tonnes kg

Ceiling

FL130

ROD

ft/min

APC

WTC

L

Range

200200 nm 370,400 m 370.4 km 1,215,223.098 ft NM

Accidents & Serious Incidents involving AS55

AS55, vicinity Fairview Alberta Canada, 1999 (AW HF FIRE) (On 28th April 1999, an AS-355 helicopter suffered an in-flight fire attributed to an electrical fault which had originated from a prior maintenance error undetected during incomplete pre-flight inspections. The aircraft carried out an immediate landing allowing evacuation before the aircraft was destroyed by an intense fire.)